{"status": "success", "data": {"description_md": "It takes Mary $30$ minutes to walk uphill $1$ km from her home to school, but it takes her only $10$ minutes to walk from school to her home along the same route. What is her average speed, in $\\frac{\\text{km}}{\\text{hr}}$, for the round trip? \n\n$\\mathrm{(A) \\ } 3\\qquad \\mathrm{(B) \\ } 3.125\\qquad \\mathrm{(C) \\ } 3.5\\qquad \\mathrm{(D) \\ } 4\\qquad \\mathrm{(E) \\ } 4.5$", "description_html": "<p>It takes Mary <span class=\"katex--inline\">30</span> minutes to walk uphill <span class=\"katex--inline\">1</span> km from her home to school, but it takes her only <span class=\"katex--inline\">10</span> minutes to walk from school to her home along the same route. What is her average speed, in <span class=\"katex--inline\">\\frac{\\text{km}}{\\text{hr}}</span>, for the round trip?</p>&#10;<p><span class=\"katex--inline\">\\mathrm{(A) \\ } 3\\qquad \\mathrm{(B) \\ } 3.125\\qquad \\mathrm{(C) \\ } 3.5\\qquad \\mathrm{(D) \\ } 4\\qquad \\mathrm{(E) \\ } 4.5</span></p>&#10;", "hints_md": "", "hints_html": "", "editorial_md": "", "editorial_html": "", "flag_hint": "", "point_value": 1, "problem_name": "2003 AMC 10A Problem 4", "can_next": true, "can_prev": true, "nxt": "/problem/03_amc10A_p05", "prev": "/problem/03_amc10A_p03"}}